Home / 109,358.40-164,045.68-39,238.32

Finding the Fourth Proportional to 109,358.40, 164,045.68 and 39,238.32

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Solution

The fourth proportional to 109,358.40, 164,045.68 and 39,238.32 is: 58,860.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,358.40 : 164,045.68 = 39,238.32 : x
  2. Step 2: Convert to fraction form
    109,358.40/164,045.68 = 39,238.32/x
  3. Step 3: Cross multiply
    109,358.40x = 164,045.68 × 39,238.32
  4. Step 4: Simplify right side
    109,358.40x = 6,436,876,886.46
  5. Step 5: Solve for x
    x = 6,436,876,886.46/109,358.40
  6. Step 6: Final answer
    x = 58,860.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.